﻿<!DOCTYPE html>
<HTML>
<HEAD>
  <TITLE> ZTREE DEMO - Async</TITLE>
  <meta http-equiv="content-type" content="text/html; charset=UTF-8">
  <link rel="stylesheet" href="../../../css/demo.css" type="text/css">
  <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
  <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.js"></script>
  <!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck-3.5.js"></script>
  <script type="text/javascript" src="../../../js/jquery.ztree.exedit-3.5.js"></script>-->
  <SCRIPT type="text/javascript">
    <!--
    var setting = {
      async: {
        enable: true,
        url: "../asyncData/getNodes.php",
        autoParam: ["id", "name=n", "level=lv"],
        otherParam: { "otherParam": "zTreeAsyncTest" },
        dataFilter: filter
      }
    };

    function filter(treeId, parentNode, childNodes) {
      if (!childNodes) return null;
      for (var i = 0, l = childNodes.length; i < l; i++) {
        childNodes[i].name = childNodes[i].name.replace(/\.n/g, '.');
      }
      return childNodes;
    }

    $(document).ready(function() {
      $.fn.zTree.init($("#treeDemo"), setting);
    });
    //-->
  </SCRIPT>
</HEAD>

<BODY>
<h1>异步加载节点数据的树</h1>
<h6>[ 文件路径: core/async.html ]</h6>
<div class="content_wrap">
  <div class="zTreeDemoBackground left">
    <ul id="treeDemo" class="ztree"></ul>
  </div>
  <div class="right">
    <ul class="info">
      <li class="title">
        <h2>1、setting 配置信息说明</h2>
        <ul class="list">
          <li class="highlight_red">使用异步加载，必须设置 setting.async 中的各个属性，详细请参见 API 文档中的相关内容</li>
        </ul>
      </li>
      <li class="title">
        <h2>2、treeNode 节点数据说明</h2>
        <ul class="list">
          <li>异步加载功能对于 treeNode 节点数据没有特别要求，如果采用简单 JSON 数据，请设置 setting.data.simple 中的属性</li>
          <li>如果异步加载每次都只返回单层的节点数据，那么可以不设置简单 JSON 数据模式</li>
        </ul>
      </li>
      <li class="title">
        <h2>3、其他说明</h2>
        <ul class="list">
          <li class="highlight_red">观察 autoParam 和 otherParam 请使用 firebug 或 浏览器的开发人员工具</li>
          <li class="highlight_red">此 Demo 只能加载到第 4 级节点（level=3）</li>
          <li class="highlight_red">此 Demo 利用 dataFilter 对节点的 name 进行了修改</li>
        </ul>
      </li>
    </ul>
  </div>
</div>
</BODY>
</HTML>